Abstract
This project talks about creating a smart street light system that uses renewable energy, specifically solar power and piezoelectric energy. The energy produced is kept in a 12volt lead-acid battery and controlled to provide power to an Arduino microcontroller. The LDR sensor checks how bright it is outside, and the IR sensor looks for cars or people nearby. The Arduino uses signals from sensors to turn on and off a 12-volt LED street light automatically through a relay. The system lowers energy use by turning on the light just when it's needed. A portable charging port is also included for extra convenience. The system suggested is affordable, uses less energy, and works well in smart city environments.
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